Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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Knock Sensor: Description and Operation
Knock Sensor (KS):
The Knock Sensor (KS) is a frequency amplifier capable of measuring vibration. This allows relatively large signals to be sent to the Electronic Control Assembly (ECA), when engine knocking occurs due to overboost by the turbocharger system. The ECA uses this information to alter ignition timing and reducing the occurance of spark detonation.